The hex color #3ccfef is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#C33010. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#6FFFFF, and Hex
#099CBC is the 20% darker color. If the color is saturated by 10%, you get
#31D3F6. If the color is desaturated by 10%, the color
#47CBE8 is obtained.